PLEASE HELP In the process of mitosis, new cells are formed from one
original cell. ( only comment if you have the actual answer)

Which of the following systems in absorbing oxygen and releases carbon dioxide

Explain the source of radioactivity in uranium in earth’s crust by which it produces nuclear radiation

You are working in the lab and are working with the same element but with varying isotopes of the element. you are working with c-11, c-13, c-14, and c-15. what is the average atomic mass of this element? (use periodic table) a- 12 b-15 c-14 d-13